TLS Online TPP Program

#Question id: 18221


In animal cells and in the meristem cells of land plants, the nuclear envelope disintegrates during mitosis. This disintegration does not occur in the cells of most protists and fungi. According to our current knowledge of plant evolution, which group of organisms should feature mitosis most similar to that of land plants? 

#Unit 9. Diversity of Life Forms
  1. unicellular green algae 
  2. cyanobacteria 
  3. charophytes 
  4. red algae
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TLS Online TPP Program

#Question id: 10340

#Unit 6. System Physiology – Plant

There several charecteristics of nitrate reductase, which of the following properties of nitrate reductase is incorrect?

TLS Online TPP Program

#Question id: 10341

#Unit 6. System Physiology – Plant

The accumulation of nitrate that results from diminished nitrate reductase activity, this symptoms is caused by

TLS Online TPP Program

#Question id: 10343

#Unit 6. System Physiology – Plant

In many plants, nitrate is assimilated in the root as well as in the shoot according to their native place. Some of the given statements about nitrate assimilation;

a) If plants native to temperate region assimilate NO3- at root

b) If plants native to temperate region assimilate NO3- at shoot

c) Plants native to tropical or subtropical region assimilate NO3- at root

d) Plants native to tropical or subtropical region assimilate NO3- at shoot

Which of the following combination from above statements is correct?

TLS Online TPP Program

#Question id: 10349

#Unit 6. System Physiology – Plant

Elevated plastid levels of glutamine stimulate the activity of glutamate synthase (also known as glutamine:2- oxoglutarate aminotransferase, or GOGAT). Given below some of the statements about GOGAT, which one of the following is incorrect?

TLS Online TPP Program

#Question id: 10350

#Unit 6. System Physiology – Plant

Ammonium can be assimilated via an alternative pathway rather than primary pathway which involves the sequential actions of glutamine synthetase(GS) and glutamate synthase(GOGAT), these alternative pathway catalyzes by enzyme known as,

TLS Online TPP Program

#Question id: 10351

#Unit 6. System Physiology – Plant

Plants contain two types of GOGAT; one accepts electrons from NADH, and the other accepts electrons from ferredoxin (Fd); which one of the following statements is correct?